package operation;

import book.BookList;

public class ExitOperation implements IOperation{
    public void work(BookList bookList){
        System.out.println("退出系统");
        int currentSize = bookList.getUsedSize();
        for (int i = 0; i < currentSize; i++){
            bookList.setBooks(i,null);
        }
        bookList.setUsedSize(0);
        System.exit(0);
    }
}
